Source tagging, means to integrate an EAS label into the products & packing or attaching hard tags onto merchandise at the source of manufacturer, instead of attaching them in stores. Especially for some large scale retail chain shops, it help retailer saves much time to engage in sales, lower the labor cost, get an improvement in shrink due to the near perfect tagging compliance from factories and the uniformity in tag placement. Source tagging consistenly reduces losses due to sholifting and employee.